diff mbox series

[net-next,v6,06/10] net: phy: mscc: macsec: reject PN update requests

Message ID 20230928084430.1882670-7-radu-nicolae.pirea@oss.nxp.com (mailing list archive)
State Not Applicable
Headers show
Series Add MACsec support for TJA11XX C45 PHYs | expand

Commit Message

Radu Pirea (NXP OSS) Sept. 28, 2023, 8:44 a.m. UTC 
Updating the PN is not supported.
Return -EINVAL if update_pn is true.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
---
Changes in v6:
- patch added in v6

 drivers/net/phy/mscc/mscc_macsec.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
index 018253a573b8..4f39ba63a9a9 100644
--- a/drivers/net/phy/mscc/mscc_macsec.c
+++ b/drivers/net/phy/mscc/mscc_macsec.c
@@ -849,6 +849,9 @@  static int vsc8584_macsec_upd_rxsa(struct macsec_context *ctx)
 	struct macsec_flow *flow;
 	int ret;
 
+	if (ctx->sa.update_pn)
+		return -EINVAL;
+
 	flow = vsc8584_macsec_find_flow(ctx, MACSEC_INGR);
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);
@@ -900,6 +903,9 @@  static int vsc8584_macsec_upd_txsa(struct macsec_context *ctx)
 	struct macsec_flow *flow;
 	int ret;
 
+	if (ctx->sa.update_pn)
+		return -EINVAL;
+
 	flow = vsc8584_macsec_find_flow(ctx, MACSEC_EGR);
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);